<div>
  <d-cascader
    [options]="options"
    [placeholder]="'please select'"
    [(ngModel)]="value1"
    [trigger]="'click'"
    [width]="300"
    [dropdownWidth]="200"
    [multiple]="true"
    [allowClear]="true"
    (toggleEvent)="onToggleChange($event)"
  >
  </d-cascader>
</div>
